/* $NetBSD: dec_kn20aa.c,v 1.66 2020/09/04 03:41:49 thorpej Exp $ */ /* * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ /* * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center */ #include "opt_kgdb.h" #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: dec_kn20aa.c,v 1.66 2020/09/04 03:41:49 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pckbd.h" #ifndef CONSPEED #define CONSPEED TTYDEF_SPEED #endif static int comcnrate = CONSPEED; void dec_kn20aa_init(void); static void dec_kn20aa_cons_init(void); static void dec_kn20aa_device_register(device_t, void *); static void dec_kn20aa_mcheck_handler (unsigned long, struct trapframe *, unsigned long, unsigned long); static void dec_kn20aa_mcheck(unsigned long, unsigned long, unsigned long, struct trapframe *); #ifdef KGDB #include static const char *kgdb_devlist[] = { "com", NULL, }; #endif /* KGDB */ const struct alpha_variation_table dec_kn20aa_variations[] = { { 0, "AlphaStation 500 or 600 (KN20AA)" }, { 0, NULL }, }; void dec_kn20aa_init(void) { uint64_t variation; platform.family = "AlphaStation 500 or 600 (KN20AA)"; if ((platform.model = alpha_dsr_sysname()) == NULL) { variation = hwrpb->rpb_variation & SV_ST_MASK; if ((platform.model = alpha_variation_name(variation, dec_kn20aa_variations)) == NULL) platform.model = alpha_unknown_sysname(); } platform.iobus = "cia"; platform.cons_init = dec_kn20aa_cons_init; platform.device_register = dec_kn20aa_device_register; platform.mcheck_handler = dec_kn20aa_mcheck_handler; } static void dec_kn20aa_cons_init(void) { struct ctb *ctb; struct cia_config *ccp; extern struct cia_config cia_configuration; ccp = &cia_configuration; cia_init(ccp, 0); ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); switch (ctb->ctb_term_type) { case CTB_PRINTERPORT: /* serial console ... */ /* XXX */ { /* * Delay to allow PROM putchars to complete. * FIFO depth * character time, * character time = (1000000 / (defaultrate / 10)) */ DELAY(160000000 / comcnrate); if(comcnattach(&ccp->cc_iot, 0x3f8, comcnrate, COM_FREQ, COM_TYPE_NORMAL, (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) panic("can't init serial console"); break; } case CTB_GRAPHICS: #if NPCKBD > 0 /* display console ... */ /* XXX */ (void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP, PCKBC_KBD_SLOT, 0); if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) == CTB_TURBOSLOT_TYPE_ISA) isa_display_console(&ccp->cc_iot, &ccp->cc_memt); else pci_display_console(&ccp->cc_iot, &ccp->cc_memt, &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot), CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0); #else panic("not configured to use display && keyboard console"); #endif break; default: printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type); printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot); panic("consinit: unknown console type %ld", ctb->ctb_term_type); } #ifdef KGDB /* Attach the KGDB device. */ alpha_kgdb_init(kgdb_devlist, &ccp->cc_iot); #endif /* KGDB */ } static void dec_kn20aa_device_register(device_t dev, void *aux) { static int found, initted, diskboot, netboot; static device_t pcidev, ctrlrdev; struct bootdev_data *b = bootdev_data; device_t parent = device_parent(dev); if (found) return; if (!initted) { diskboot = (strcasecmp(b->protocol, "SCSI") == 0); netboot = (strcasecmp(b->protocol, "BOOTP") == 0) || (strcasecmp(b->protocol, "MOP") == 0); #if 0 printf("diskboot = %d, netboot = %d\n", diskboot, netboot); #endif initted =1; } if (pcidev == NULL) { if (!device_is_a(dev, "pci")) return; else { struct pcibus_attach_args *pba = aux; if ((b->slot / 1000) != pba->pba_bus) return; pcidev = dev; #if 0 printf("\npcidev = %s\n", device_xname(dev)); #endif return; } } if (ctrlrdev == NULL) { if (parent != pcidev) return; else { struct pci_attach_args *pa = aux; int slot; slot = pa->pa_bus * 1000 + pa->pa_function * 100 + pa->pa_device; if (b->slot != slot) return; if (netboot) { booted_device = dev; #if 0 printf("\nbooted_device = %s\n", device_xname(dev)); #endif found = 1; } else { ctrlrdev = dev; #if 0 printf("\nctrlrdev = %s\n", device_xname(dev)); #endif } return; } } if (!diskboot) return; if (device_is_a(dev, "sd") || device_is_a(dev, "st") || device_is_a(dev, "cd")) { struct scsipibus_attach_args *sa = aux; struct scsipi_periph *periph = sa->sa_periph; int unit; if (device_parent(parent) != ctrlrdev) return; unit = periph->periph_target * 100 + periph->periph_lun; if (b->unit != unit) return; if (b->channel != periph->periph_channel->chan_channel) return; /* we've found it! */ booted_device = dev; #if 0 printf("\nbooted_device = %s\n", device_xname(dev)); #endif found = 1; } } static void dec_kn20aa_mcheck(unsigned long mces, unsigned long type, unsigned long logout, struct trapframe *framep) { struct mchkinfo *mcp; mc_hdr_ev5 *hdr; mc_uc_ev5 *mptr; /* * If we expected a machine check, just go handle it in common code. */ mcp = &curcpu()->ci_mcinfo; if (mcp->mc_expected) { machine_check(mces, framep, type, logout); return; } hdr = (mc_hdr_ev5 *) logout; mptr = (mc_uc_ev5 *) (logout + sizeof (*hdr)); /* * Now we can finally print some stuff... */ ev5_logout_print(hdr, mptr); machine_check(mces, framep, type, logout); } static void dec_kn20aa_mcheck_handler(unsigned long mces, struct trapframe *framep, unsigned long vector, unsigned long param) { switch (vector) { case ALPHA_SYS_MCHECK: case ALPHA_PROC_MCHECK: dec_kn20aa_mcheck(mces, vector, param, framep); break; default: printf("KN20AA_MCHECK: unknown check vector 0x%lx\n", vector); machine_check(mces, framep, vector, param); break; } }